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Finding the Fourth Proportional to 114,754.50, 158,357.70 and 63,766.98

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Solution

The fourth proportional to 114,754.50, 158,357.70 and 63,766.98 is: 87,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,754.50 : 158,357.70 = 63,766.98 : x
  2. Step 2: Convert to fraction form
    114,754.50/158,357.70 = 63,766.98/x
  3. Step 3: Cross multiply
    114,754.50x = 158,357.70 × 63,766.98
  4. Step 4: Simplify right side
    114,754.50x = 10,097,992,288.75
  5. Step 5: Solve for x
    x = 10,097,992,288.75/114,754.50
  6. Step 6: Final answer
    x = 87,996.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.